Kayak



FIG. 1 is a top perspective view of the new design for a kayak;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof, the left side being a mirror image of the right side; and,

FIG. 6 is a front view thereof, the rear being a mirror image of the front. 

CLAIM The ornamental design for a kayak, as shown and described. 